77491980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{430511}}^1$

素因数の和:430526

約数の個数: 36

約数和(自身を含む): 235059552

約数和(自身を除く): 157567572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 430511, 861022, 1291533, 1722044, 2152555, 2583066, 3874599, 4305110, 5166132, 6457665, 7749198, 8610220, 12915330, 15498396, 19372995, 25830660, 38745990, 77491980]

約数ペア:

[(1, 77491980), (2, 38745990), (3, 25830660), (4, 19372995), (5, 15498396), (6, 12915330), (9, 8610220), (10, 7749198), (12, 6457665), (15, 5166132), (18, 4305110), (20, 3874599), (30, 2583066), (36, 2152555), (45, 1722044), (60, 1291533), (90, 861022), (180, 430511)]